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Mugo Pine

Q.What Can I Use To Treat Rust On A Mugho Pine Shrub? (for Organic Gardening)

Zone Ossineke, Mi 49766 gardening zone 5b | Anonymous added on August 11, 2023 | Answered

in the spring I used (garden safe) Fungicide 3. It did promote new growth but the branches are covered in rusted needles. Will those branches regrow with treatment?

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Certified GKH Gardening Expert
Answered on August 13, 2023

Fungicides do best at preventing fungal diseases, not curing it. Your best bet is to prevent any further disease by making sure your plant has good air circulation, plenty of sun, no overhead watering, and cleaning up any needles that drop.

You can prune out the affected branches if it's not extensive.



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